body{
    padding: 0;
    margin: 0;
}
.all{
    width: 700px;
    display: flex;
}
.leftButton{
    width: 50px;
    height: 50px;
    border-radius: 100%;
    background-color: aqua;
    /*margin: 220px 0px;*/
    margin: 220px 0px 0px;
}
.rightButton{
      width: 50px;
      height: 50px;
      border-radius: 100%;
      background-color: aqua;
      /*margin: 220px 0px;*/
      margin: 220px 0px 0px;
  }

.container{
    width: 600px;
    height: 350px;
    /*background-color: red;*/
    margin: 100px 0px 0px;
    overflow: hidden;
    flex:1;
}
.container ul{
    width: 3000px;
    height: 350px;
    list-style:none;
    margin: 0;
    padding: 0;
}
.container li{
    width: 600px;
    height: 350px;
    float: left;
}
.container li img{
    width: 100%;
    height: 100%;
}

#points{
    list-style: none;
    position: relative;
    /*background-color: red;*/
    width: 100px;
    height: 100px;
    padding:0;
    /*margin-left: 300px;*/
    margin-left: 0px;
    margin-top: 0;
    left:300px;
    top: -35px;
    z-index: 100;
}
#points li{
    float: left;
    background: rgba(255, 255, 255, 0.46);
    width: 10px;
    height: 10px;
    border-radius: 100%;
    margin: 10px;
}
.on{
    background-color: red !important;
}